Nonmetals are minerals that are widely used. true or false

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

What was the land like over 500 million years ago? what was under the sea?

Which of the following is the most likely outcome of global warming